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Finding the Fourth Proportional to 11,706.79, 17,565.36 and 6,158.89

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Solution

The fourth proportional to 11,706.79, 17,565.36 and 6,158.89 is: 9,241.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,706.79 : 17,565.36 = 6,158.89 : x
  2. Step 2: Convert to fraction form
    11,706.79/17,565.36 = 6,158.89/x
  3. Step 3: Cross multiply
    11,706.79x = 17,565.36 × 6,158.89
  4. Step 4: Simplify right side
    11,706.79x = 108,183,120.05
  5. Step 5: Solve for x
    x = 108,183,120.05/11,706.79
  6. Step 6: Final answer
    x = 9,241.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.